Do you mean a periodic forceMerge? That is usually considered a bad habit on this list (i agree). It is just that i am actually very surprised this can happen at all with default settings. This factory, unfortunately does not seem to support settings configured in solrconfig.
Thanks, Markus -----Original message----- > From:Amrit Sarkar <sarkaramr...@gmail.com> > Sent: Wednesday 4th October 2017 14:42 > To: solr-user@lucene.apache.org > Subject: Re: Very high number of deleted docs > > Hi Markus, > > Emir already mentioned tuning *reclaimDeletesWeight which *affects segments > about to merge priority. Optimising index time by time, preferably > scheduling weekly / fortnight / ..., at low traffic period to never be in > such odd position of 80% deleted docs in total index. > > Amrit Sarkar > Search Engineer > Lucidworks, Inc. > 415-589-9269 > www.lucidworks.com > Twitter http://twitter.com/lucidworks > LinkedIn: https://www.linkedin.com/in/sarkaramrit2 > > On Wed, Oct 4, 2017 at 6:02 PM, Emir Arnautović < > emir.arnauto...@sematext.com> wrote: > > > Hi Markus, > > You can set reclaimDeletesWeight in merge settings to some higher value > > than default (I think it is 2) to favor segments with deleted docs when > > merging. > > > > HTH, > > Emir > > -- > > Monitoring - Log Management - Alerting - Anomaly Detection > > Solr & Elasticsearch Consulting Support Training - http://sematext.com/ > > > > > > > > > On 4 Oct 2017, at 13:31, Markus Jelsma <markus.jel...@openindex.io> > > wrote: > > > > > > Hello, > > > > > > Using a 6.6.0, i just spotted one of our collections having a core of > > which over 80 % of the total number of documents were deleted documents. > > > > > > It has <mergePolicyFactory > > > class="org.apache.solr.index.TieredMergePolicyFactory"/> > > configured with no non-default settings. > > > > > > Is this supposed to happen? How can i prevent these kind of numbers? > > > > > > Thanks, > > > Markus > > > > >
